ITW Mima ECOMAT PLUS - Page 14

Phase 5.
Open the fastening screw of aluminium gearwheel, and lift it off
Phase 6.
Open the four fastening screws of the upper bearing unit and lift it
off.
Now you can replace the groove ball bearing of upper bearing unit
(picture in next page)
Phase 7.
Lift off the pre-stretch roller and replace it if necessary
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